11321560 has 32 divisors (see below), whose sum is σ = 25578000. Its totient is φ = 4510080.

The previous prime is 11321551. The next prime is 11321561. The reversal of 11321560 is 6512311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13555 + ... + 14365.

Almost surely, 2^11321560 is an apocalyptic number.

11321560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321560 is an abundant number, since it is smaller than the sum of its proper divisors (14256440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321560 is a wasteful number, since it uses less digits than its factorization.

11321560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11321560 is about 3364.7525912019. The cubic root of 11321560 is about 224.5443288241.

Adding to 11321560 its reverse (6512311), we get a palindrome (17833871).

Subtracting from 11321560 its reverse (6512311), we obtain a square (4809249 = 2193²).

It can be divided in two parts, 11321 and 560, that added together give a square (11881 = 109²).

The spelling of 11321560 in words is "eleven million, three hundred twenty-one thousand, five hundred sixty".